Overview: It's a Scandinavian grudge match on Crash Course Theater. We're looking at a couple of the key movements in European theater that deeply influenced the modern theater of today. We'll take a close look at two of the most radical and influential European playwrights of the 19th century, who just happened to be mortal enemies. Henrik Ibsen of Norway, and Swede August Strindberg reshaped theater, between bouts of hating each other.